person_info = []
print("=" * 20)
print("欢迎使用通讯录：")
print("1.添加联系人")
print("2.查看通讯录")
print("3.删除联系人")
print("4.修改联系人信息")
print("5.查找联系人")
print("6.退出")
print("=" * 20)
while True:
    per_dict = {}
    fun_num = input("请输入功能序号：")
    if fun_num == '1':
        per_name = input("请输入联系人的姓名：")
        phone_num = input("请输入联系人的手机号：")
        per_email = input("请输入联系人的邮箱：")
        per_address = input("请输入联系人的地址：")
        if per_name.strip() == '':
            print("请输入正确信息")
            continue
        else:
            per_dict.update({"姓名":per_name,
                            "手机号":phone_num,
                            "电子邮箱":per_email,
                            "联系地址":per_address})
            person_info.append(per_dict)
            print("保存成功")
    elif fun_num == '2':
        if len(person_info) == 0:
            print("通讯录无信息")
        for i in person_info:
            for title,info in i.items():
                print(title + ':' + info)
    elif fun_num == '3':
        if len(person_info) != 0:
            del_name = input("请输入要删除的联系人姓名：")
            for i in person_info:
                if del_name in i.values():
                    person_info.remove(i)
                    print(person_info)
                    print("删除成功")
                else:
                    print("该联系人不在通讯录中")
        else:
            print("通讯录无信息")
    elif fun_num == '4':
        if len(person_info) != 0:
            modi_info = input("请输入要修改联系人姓名：")
            for i in person_info:
                if modi_info in i.values():
                    index_num = person_info.index(i)
                    dict_cur_perinfo = person_info[index_num]
                    for title, info in dict_cur_perinfo.items():
                        print(title + ':' + info)
                    modi_name = input("请输入新的姓名：")
                    modi_phone = input("请输入新的手机号：")
                    modi_email = input("请输入新的邮箱：")
                    modi_address = input("请输入新的地址：")
                    dict_cur_perinfo.update(姓名= modi_name)
                    dict_cur_perinfo.update(手机号= modi_phone)
                    dict_cur_perinfo.update(电子邮箱= modi_email)
                    dict_cur_perinfo.update(联系地址= modi_address)
                    print(person_info)
        else:
            print("通讯录无信息")
    elif fun_num == '5':
        if len(person_info) != 0:
            query_name = input("请输入要查找的联系人姓名：")
            for i in person_info:
                if query_name in i.values():
                    index_num = person_info.index(i)
                    for title,info in person_info[index_num].items():
                        print(title + ':' + info)
                    break
            else:
                print("该联系人不在通讯录中")
        else:
            print("通讯录无信息")
    elif fun_num == '6':
            break
